BGS mineralogy and petrology collection record

Sample number E9838; COLLNO50;
Sample Donor Greenly,E.
Rock name 'Original entry: Greywacke'
Stratigraphy Not entered
Comments Ordovician.Arenig. See Anglesey Memoir.p.431. Associated with shale.
Locality details Glyn-Garth shore 100ft.SW.of "T" of "T"an-y-Coed cliff hall
50k map sheet Bangor (106)

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Map reference SH 577 739
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E9838

Cross Polarized, E9838

Plane Polarized, E9838

Plane Polarized, E9838